Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

An Australian lake whose pink hue defies scientific explanation.

Hollowed out cedar log tubs set in an ancient towering forest.

A heavenly experience, right here on Terra Firma.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Olfactory delights in San Francisco's Botanical Gardens.

The atmospheric road was never meant to be so creepy.

360° views of the city plus five floors of optical illusions and hands-on science.

The most visited, and possibly most controversial, museum in Germany.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Towering basalt columns, a creation of fire and ice.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A beautiful geyser under environmental threat.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Famously misunderstood wonder of the ancient world

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Its buzzing collection honors vibrator history.

Macabre astrological automaton clock dating to the late 1400s.

A 30-acre garden inspired by the principles of modern physics.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A submerged archeological park still holds the wonders of a Roman Sodom.